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Chemical weapons doubts in Syria

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Author: Split Syria to protect minorities

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Author: Split Syria to protect minorities02:56

The intelligence is not definitive, but "there are various threads of information that would shake our confidence," one U.S. official said. "They have done things recently that suggest Syria is not ready to get rid of all their chemical weapons."

CNN has spoken to several U.S. officials with access to the latest intelligence on Syria, who confirmed the information. All declined to be identified because of the sensitivity of the data. U.S. intelligence agencies, the Defense Department, the State Department and White House are all reviewing the information.